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index.js
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index.js
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var config = {
translateOnLoad: true, //true to autotranslate
mathcolor: "", // defaults to back, or specify any other color
displaystyle: true, // puts limits above and below large operators
showasciiformulaonhover: true, // helps students learn ASCIIMath
decimalsign: ".", // change to "," if you like, beware of `(1,2)`!
AMdelimiter1: "`", AMescape1: "\\\\`", // can use other characters
AMusedelimiter2: false, //whether to use second delimiter below
AMdelimiter2: "$", AMescape2: "\\\\\\$", AMdelimiter2regexp: "\\$",
AMdocumentId: "wikitext", // PmWiki element containing math (default=body)
doubleblankmathdelimiter: false // if true, x+1 is equal to `x+1`
}; // for IE this works only in <!-- -->
var CONST = 0, UNARY = 1, BINARY = 2, INFIX = 3, LEFTBRACKET = 4,
RIGHTBRACKET = 5, SPACE = 6, UNDEROVER = 7, DEFINITION = 8,
LEFTRIGHT = 9, TEXT = 10; // token types
var AMsqrt = { input: "sqrt", tag: "msqrt", output: "sqrt", tex: null, ttype: UNARY },
AMroot = { input: "root", tag: "mroot", output: "root", tex: null, ttype: BINARY },
AMfrac = { input: "frac", tag: "mfrac", output: "/", tex: null, ttype: BINARY },
AMdiv = { input: "/", tag: "mfrac", output: "/", tex: null, ttype: INFIX },
AMover = { input: "stackrel", tag: "mover", output: "stackrel", tex: null, ttype: BINARY },
AMsub = { input: "_", tag: "msub", output: "_", tex: null, ttype: INFIX },
AMsup = { input: "^", tag: "msup", output: "^", tex: null, ttype: INFIX },
AMtext = { input: "text", tag: "mtext", output: "text", tex: null, ttype: TEXT },
AMmbox = { input: "mbox", tag: "mtext", output: "mbox", tex: null, ttype: TEXT },
AMquote = { input: "\"", tag: "mtext", output: "mbox", tex: null, ttype: TEXT };
var AMsymbols = [
//some greek symbols
{ input: "alpha", tag: "mi", output: "\u03B1", tex: null, ttype: CONST },
{ input: "beta", tag: "mi", output: "\u03B2", tex: null, ttype: CONST },
{ input: "chi", tag: "mi", output: "\u03C7", tex: null, ttype: CONST },
{ input: "delta", tag: "mi", output: "\u03B4", tex: null, ttype: CONST },
{ input: "Delta", tag: "mo", output: "\u0394", tex: null, ttype: CONST },
{ input: "epsi", tag: "mi", output: "\u03B5", tex: "epsilon", ttype: CONST },
{ input: "varepsilon", tag: "mi", output: "\u025B", tex: null, ttype: CONST },
{ input: "eta", tag: "mi", output: "\u03B7", tex: null, ttype: CONST },
{ input: "gamma", tag: "mi", output: "\u03B3", tex: null, ttype: CONST },
{ input: "Gamma", tag: "mo", output: "\u0393", tex: null, ttype: CONST },
{ input: "iota", tag: "mi", output: "\u03B9", tex: null, ttype: CONST },
{ input: "kappa", tag: "mi", output: "\u03BA", tex: null, ttype: CONST },
{ input: "lambda", tag: "mi", output: "\u03BB", tex: null, ttype: CONST },
{ input: "Lambda", tag: "mo", output: "\u039B", tex: null, ttype: CONST },
{ input: "lamda", tag: "mi", output: "lambda", tex: null, ttype: DEFINITION },
{ input: "Lamda", tag: "mi", output: "Lambda", tex: null, ttype: DEFINITION },
{ input: "mu", tag: "mi", output: "\u03BC", tex: null, ttype: CONST },
{ input: "nu", tag: "mi", output: "\u03BD", tex: null, ttype: CONST },
{ input: "omega", tag: "mi", output: "\u03C9", tex: null, ttype: CONST },
{ input: "Omega", tag: "mo", output: "\u03A9", tex: null, ttype: CONST },
{ input: "phi", tag: "mi", output: "\u03C6", tex: null, ttype: CONST },
{ input: "varphi", tag: "mi", output: "\u03D5", tex: null, ttype: CONST },
{ input: "Phi", tag: "mo", output: "\u03A6", tex: null, ttype: CONST },
{ input: "pi", tag: "mi", output: "\u03C0", tex: null, ttype: CONST },
{ input: "Pi", tag: "mo", output: "\u03A0", tex: null, ttype: CONST },
{ input: "psi", tag: "mi", output: "\u03C8", tex: null, ttype: CONST },
{ input: "Psi", tag: "mi", output: "\u03A8", tex: null, ttype: CONST },
{ input: "rho", tag: "mi", output: "\u03C1", tex: null, ttype: CONST },
{ input: "sigma", tag: "mi", output: "\u03C3", tex: null, ttype: CONST },
{ input: "Sigma", tag: "mo", output: "\u03A3", tex: null, ttype: CONST },
{ input: "tau", tag: "mi", output: "\u03C4", tex: null, ttype: CONST },
{ input: "theta", tag: "mi", output: "\u03B8", tex: null, ttype: CONST },
{ input: "vartheta", tag: "mi", output: "\u03D1", tex: null, ttype: CONST },
{ input: "Theta", tag: "mo", output: "\u0398", tex: null, ttype: CONST },
{ input: "upsilon", tag: "mi", output: "\u03C5", tex: null, ttype: CONST },
{ input: "xi", tag: "mi", output: "\u03BE", tex: null, ttype: CONST },
{ input: "Xi", tag: "mo", output: "\u039E", tex: null, ttype: CONST },
{ input: "zeta", tag: "mi", output: "\u03B6", tex: null, ttype: CONST },
//binary operation symbols
{ input: "*", tag: "mo", output: "\u22C5", tex: "cdot", ttype: CONST },
{ input: "**", tag: "mo", output: "\u2217", tex: "ast", ttype: CONST },
{ input: "***", tag: "mo", output: "\u22C6", tex: "star", ttype: CONST },
{ input: "//", tag: "mo", output: "/", tex: "/", ttype: CONST, val: true, notexcopy: true },
{ input: "\\\\", tag: "mo", output: "\\", tex: "backslash", ttype: CONST },
{ input: "setminus", tag: "mo", output: "\\", tex: null, ttype: CONST },
{ input: "xx", tag: "mo", output: "\u00D7", tex: "times", ttype: CONST },
{ input: "|><", tag: "mo", output: "\u22C9", tex: "ltimes", ttype: CONST },
{ input: "><|", tag: "mo", output: "\u22CA", tex: "rtimes", ttype: CONST },
{ input: "|><|", tag: "mo", output: "\u22C8", tex: "bowtie", ttype: CONST },
{ input: "-:", tag: "mo", output: "\u00F7", tex: "div", ttype: CONST },
{ input: "divide", tag: "mo", output: "-:", tex: null, ttype: DEFINITION },
{ input: "@", tag: "mo", output: "\u2218", tex: "circ", ttype: CONST },
{ input: "o+", tag: "mo", output: "\u2295", tex: "oplus", ttype: CONST },
{ input: "ox", tag: "mo", output: "\u2297", tex: "otimes", ttype: CONST },
{ input: "o.", tag: "mo", output: "\u2299", tex: "odot", ttype: CONST },
{ input: "sum", tag: "mo", output: "\u2211", tex: null, ttype: UNDEROVER },
{ input: "prod", tag: "mo", output: "\u220F", tex: null, ttype: UNDEROVER },
{ input: "^^", tag: "mo", output: "\u2227", tex: "wedge", ttype: CONST },
{ input: "^^^", tag: "mo", output: "\u22C0", tex: "bigwedge", ttype: UNDEROVER },
{ input: "vv", tag: "mo", output: "\u2228", tex: "vee", ttype: CONST },
{ input: "vvv", tag: "mo", output: "\u22C1", tex: "bigvee", ttype: UNDEROVER },
{ input: "nn", tag: "mo", output: "\u2229", tex: "cap", ttype: CONST },
{ input: "nnn", tag: "mo", output: "\u22C2", tex: "bigcap", ttype: UNDEROVER },
{ input: "uu", tag: "mo", output: "\u222A", tex: "cup", ttype: CONST },
{ input: "uuu", tag: "mo", output: "\u22C3", tex: "bigcup", ttype: UNDEROVER },
{ input: "overset", tag: "mover", output: "stackrel", tex: null, ttype: BINARY },
{ input: "underset", tag: "munder", output: "stackrel", tex: null, ttype: BINARY },
//binary relation symbols
{ input: "!=", tag: "mo", output: "\u2260", tex: "ne", ttype: CONST },
{ input: ":=", tag: "mo", output: ":=", tex: null, ttype: CONST },
{ input: "lt", tag: "mo", output: "<", tex: null, ttype: CONST },
{ input: "gt", tag: "mo", output: ">", tex: null, ttype: CONST },
{ input: "<=", tag: "mo", output: "\u2264", tex: "le", ttype: CONST },
{ input: "lt=", tag: "mo", output: "\u2264", tex: "leq", ttype: CONST },
{ input: "gt=", tag: "mo", output: "\u2265", tex: "geq", ttype: CONST },
{ input: ">=", tag: "mo", output: "\u2265", tex: "ge", ttype: CONST },
{ input: "-<", tag: "mo", output: "\u227A", tex: "prec", ttype: CONST },
{ input: "-lt", tag: "mo", output: "\u227A", tex: null, ttype: CONST },
{ input: ">-", tag: "mo", output: "\u227B", tex: "succ", ttype: CONST },
{ input: "-<=", tag: "mo", output: "\u2AAF", tex: "preceq", ttype: CONST },
{ input: ">-=", tag: "mo", output: "\u2AB0", tex: "succeq", ttype: CONST },
{ input: "in", tag: "mo", output: "\u2208", tex: null, ttype: CONST },
{ input: "!in", tag: "mo", output: "\u2209", tex: "notin", ttype: CONST },
{ input: "sub", tag: "mo", output: "\u2282", tex: "subset", ttype: CONST },
{ input: "sup", tag: "mo", output: "\u2283", tex: "supset", ttype: CONST },
{ input: "sube", tag: "mo", output: "\u2286", tex: "subseteq", ttype: CONST },
{ input: "supe", tag: "mo", output: "\u2287", tex: "supseteq", ttype: CONST },
{ input: "-=", tag: "mo", output: "\u2261", tex: "equiv", ttype: CONST },
{ input: "~=", tag: "mo", output: "\u2245", tex: "stackrel{\\sim}{=}", ttype: CONST }, //back hack b/c mimetex doesn't support /cong
{ input: "cong", tag: "mo", output: "~=", tex: null, ttype: DEFINITION },
{ input: "~~", tag: "mo", output: "\u2248", tex: "approx", ttype: CONST },
{ input: "prop", tag: "mo", output: "\u221D", tex: "propto", ttype: CONST },
//logical symbols
{ input: "and", tag: "mtext", output: "and", tex: null, ttype: SPACE },
{ input: "or", tag: "mtext", output: "or", tex: null, ttype: SPACE },
{ input: "not", tag: "mo", output: "\u00AC", tex: "neg", ttype: CONST },
{ input: "=>", tag: "mo", output: "\u21D2", tex: "Rightarrow", ttype: CONST },
{ input: "implies", tag: "mo", output: "=>", tex: null, ttype: DEFINITION },
{ input: "if", tag: "mo", output: "if", tex: null, ttype: SPACE },
{ input: "<=>", tag: "mo", output: "\u21D4", tex: "Leftrightarrow", ttype: CONST },
{ input: "iff", tag: "mo", output: "<=>", tex: null, ttype: DEFINITION },
{ input: "AA", tag: "mo", output: "\u2200", tex: "forall", ttype: CONST },
{ input: "EE", tag: "mo", output: "\u2203", tex: "exists", ttype: CONST },
{ input: "_|_", tag: "mo", output: "\u22A5", tex: "bot", ttype: CONST },
{ input: "TT", tag: "mo", output: "\u22A4", tex: "top", ttype: CONST },
{ input: "|--", tag: "mo", output: "\u22A2", tex: "vdash", ttype: CONST },
{ input: "|==", tag: "mo", output: "\u22A8", tex: "models", ttype: CONST }, //mimetex doesn't support
//grouping brackets
{ input: "(", tag: "mo", output: "(", tex: null, ttype: LEFTBRACKET, val: true },
{ input: ")", tag: "mo", output: ")", tex: null, ttype: RIGHTBRACKET, val: true },
{ input: "[", tag: "mo", output: "[", tex: null, ttype: LEFTBRACKET, val: true },
{ input: "]", tag: "mo", output: "]", tex: null, ttype: RIGHTBRACKET, val: true },
{ input: "{", tag: "mo", output: "{", tex: "lbrace", ttype: LEFTBRACKET },
{ input: "}", tag: "mo", output: "}", tex: "rbrace", ttype: RIGHTBRACKET },
{ input: "|", tag: "mo", output: "|", tex: null, ttype: LEFTRIGHT, val: true },
//{input:"||", tag:"mo", output:"||", tex:null, ttype:LEFTRIGHT},
{ input: "(:", tag: "mo", output: "\u2329", tex: "langle", ttype: LEFTBRACKET },
{ input: ":)", tag: "mo", output: "\u232A", tex: "rangle", ttype: RIGHTBRACKET },
{ input: "<<", tag: "mo", output: "\u2329", tex: "langle", ttype: LEFTBRACKET },
{ input: ">>", tag: "mo", output: "\u232A", tex: "rangle", ttype: RIGHTBRACKET },
{ input: "{:", tag: "mo", output: "{:", tex: null, ttype: LEFTBRACKET, invisible: true },
{ input: ":}", tag: "mo", output: ":}", tex: null, ttype: RIGHTBRACKET, invisible: true },
//miscellaneous symbols
{ input: "int", tag: "mo", output: "\u222B", tex: null, ttype: CONST },
{ input: "dx", tag: "mi", output: "{:d x:}", tex: null, ttype: DEFINITION },
{ input: "dy", tag: "mi", output: "{:d y:}", tex: null, ttype: DEFINITION },
{ input: "dz", tag: "mi", output: "{:d z:}", tex: null, ttype: DEFINITION },
{ input: "dt", tag: "mi", output: "{:d t:}", tex: null, ttype: DEFINITION },
{ input: "oint", tag: "mo", output: "\u222E", tex: null, ttype: CONST },
{ input: "del", tag: "mo", output: "\u2202", tex: "partial", ttype: CONST },
{ input: "grad", tag: "mo", output: "\u2207", tex: "nabla", ttype: CONST },
{ input: "+-", tag: "mo", output: "\u00B1", tex: "pm", ttype: CONST },
{ input: "O/", tag: "mo", output: "\u2205", tex: "emptyset", ttype: CONST },
{ input: "oo", tag: "mo", output: "\u221E", tex: "infty", ttype: CONST },
{ input: "aleph", tag: "mo", output: "\u2135", tex: null, ttype: CONST },
{ input: "...", tag: "mo", output: "...", tex: "ldots", ttype: CONST },
{ input: ":.", tag: "mo", output: "\u2234", tex: "therefore", ttype: CONST },
{ input: ":'", tag: "mo", output: "\u2235", tex: "because", ttype: CONST },
{ input: "/_", tag: "mo", output: "\u2220", tex: "angle", ttype: CONST },
{ input: "/_\\", tag: "mo", output: "\u25B3", tex: "triangle", ttype: CONST },
{ input: "\\ ", tag: "mo", output: "\u00A0", tex: null, ttype: CONST, val: true },
{ input: "frown", tag: "mo", output: "\u2322", tex: null, ttype: CONST },
{ input: "%", tag: "mo", output: "%", tex: "%", ttype: CONST, notexcopy: true },
{ input: "quad", tag: "mo", output: "\u00A0\u00A0", tex: null, ttype: CONST },
{ input: "qquad", tag: "mo", output: "\u00A0\u00A0\u00A0\u00A0", tex: null, ttype: CONST },
{ input: "cdots", tag: "mo", output: "\u22EF", tex: null, ttype: CONST },
{ input: "vdots", tag: "mo", output: "\u22EE", tex: null, ttype: CONST },
{ input: "ddots", tag: "mo", output: "\u22F1", tex: null, ttype: CONST },
{ input: "diamond", tag: "mo", output: "\u22C4", tex: null, ttype: CONST },
{ input: "square", tag: "mo", output: "\u25A1", tex: "boxempty", ttype: CONST },
{ input: "|__", tag: "mo", output: "\u230A", tex: "lfloor", ttype: CONST },
{ input: "__|", tag: "mo", output: "\u230B", tex: "rfloor", ttype: CONST },
{ input: "|~", tag: "mo", output: "\u2308", tex: "lceil", ttype: CONST },
{ input: "lceiling", tag: "mo", output: "|~", tex: null, ttype: DEFINITION },
{ input: "~|", tag: "mo", output: "\u2309", tex: "rceil", ttype: CONST },
{ input: "rceiling", tag: "mo", output: "~|", tex: null, ttype: DEFINITION },
{ input: "CC", tag: "mo", output: "\u2102", tex: "mathbb{C}", ttype: CONST, notexcopy: true },
{ input: "NN", tag: "mo", output: "\u2115", tex: "mathbb{N}", ttype: CONST, notexcopy: true },
{ input: "QQ", tag: "mo", output: "\u211A", tex: "mathbb{Q}", ttype: CONST, notexcopy: true },
{ input: "RR", tag: "mo", output: "\u211D", tex: "mathbb{R}", ttype: CONST, notexcopy: true },
{ input: "ZZ", tag: "mo", output: "\u2124", tex: "mathbb{Z}", ttype: CONST, notexcopy: true },
{ input: "f", tag: "mi", output: "f", tex: null, ttype: UNARY, func: true, val: true },
{ input: "g", tag: "mi", output: "g", tex: null, ttype: UNARY, func: true, val: true },
{ input: "''", tag: "mo", output: "''", tex: null, val: true },
{ input: "'''", tag: "mo", output: "'''", tex: null, val: true },
{ input: "''''", tag: "mo", output: "''''", tex: null, val: true },
//standard functions
{ input: "lim", tag: "mo", output: "lim", tex: null, ttype: UNDEROVER },
{ input: "Lim", tag: "mo", output: "Lim", tex: null, ttype: UNDEROVER },
{ input: "sin", tag: "mo", output: "sin", tex: null, ttype: UNARY, func: true },
{ input: "cos", tag: "mo", output: "cos", tex: null, ttype: UNARY, func: true },
{ input: "tan", tag: "mo", output: "tan", tex: null, ttype: UNARY, func: true },
{ input: "arcsin", tag: "mo", output: "arcsin", tex: null, ttype: UNARY, func: true },
{ input: "arccos", tag: "mo", output: "arccos", tex: null, ttype: UNARY, func: true },
{ input: "arctan", tag: "mo", output: "arctan", tex: null, ttype: UNARY, func: true },
{ input: "sinh", tag: "mo", output: "sinh", tex: null, ttype: UNARY, func: true },
{ input: "cosh", tag: "mo", output: "cosh", tex: null, ttype: UNARY, func: true },
{ input: "tanh", tag: "mo", output: "tanh", tex: null, ttype: UNARY, func: true },
{ input: "cot", tag: "mo", output: "cot", tex: null, ttype: UNARY, func: true },
{ input: "coth", tag: "mo", output: "coth", tex: null, ttype: UNARY, func: true },
{ input: "sech", tag: "mo", output: "sech", tex: null, ttype: UNARY, func: true },
{ input: "csch", tag: "mo", output: "csch", tex: null, ttype: UNARY, func: true },
{ input: "sec", tag: "mo", output: "sec", tex: null, ttype: UNARY, func: true },
{ input: "csc", tag: "mo", output: "csc", tex: null, ttype: UNARY, func: true },
{ input: "log", tag: "mo", output: "log", tex: null, ttype: UNARY, func: true },
{ input: "ln", tag: "mo", output: "ln", tex: null, ttype: UNARY, func: true },
{ input: "abs", tag: "mo", output: "abs", tex: null, ttype: UNARY, notexcopy: true, rewriteleftright: ["|", "|"] },
{ input: "norm", tag: "mo", output: "norm", tex: null, ttype: UNARY, notexcopy: true, rewriteleftright: ["\\|", "\\|"] },
{ input: "floor", tag: "mo", output: "floor", tex: null, ttype: UNARY, notexcopy: true, rewriteleftright: ["\\lfloor", "\\rfloor"] },
{ input: "ceil", tag: "mo", output: "ceil", tex: null, ttype: UNARY, notexcopy: true, rewriteleftright: ["\\lceil", "\\rceil"] },
{ input: "Sin", tag: "mo", output: "sin", tex: null, ttype: UNARY, func: true },
{ input: "Cos", tag: "mo", output: "cos", tex: null, ttype: UNARY, func: true },
{ input: "Tan", tag: "mo", output: "tan", tex: null, ttype: UNARY, func: true },
{ input: "Arcsin", tag: "mo", output: "arcsin", tex: null, ttype: UNARY, func: true },
{ input: "Arccos", tag: "mo", output: "arccos", tex: null, ttype: UNARY, func: true },
{ input: "Arctan", tag: "mo", output: "arctan", tex: null, ttype: UNARY, func: true },
{ input: "Sinh", tag: "mo", output: "sinh", tex: null, ttype: UNARY, func: true },
{ input: "Sosh", tag: "mo", output: "cosh", tex: null, ttype: UNARY, func: true },
{ input: "Tanh", tag: "mo", output: "tanh", tex: null, ttype: UNARY, func: true },
{ input: "Cot", tag: "mo", output: "cot", tex: null, ttype: UNARY, func: true },
{ input: "Sec", tag: "mo", output: "sec", tex: null, ttype: UNARY, func: true },
{ input: "Csc", tag: "mo", output: "csc", tex: null, ttype: UNARY, func: true },
{ input: "Log", tag: "mo", output: "log", tex: null, ttype: UNARY, func: true },
{ input: "Ln", tag: "mo", output: "ln", tex: null, ttype: UNARY, func: true },
{ input: "Abs", tag: "mo", output: "abs", tex: null, ttype: UNARY, notexcopy: true, rewriteleftright: ["|", "|"] },
{ input: "det", tag: "mo", output: "det", tex: null, ttype: UNARY, func: true },
{ input: "exp", tag: "mo", output: "exp", tex: null, ttype: UNARY, func: true },
{ input: "dim", tag: "mo", output: "dim", tex: null, ttype: CONST },
{ input: "mod", tag: "mo", output: "mod", tex: "text{mod}", ttype: CONST, notexcopy: true },
{ input: "gcd", tag: "mo", output: "gcd", tex: null, ttype: UNARY, func: true },
{ input: "lcm", tag: "mo", output: "lcm", tex: "text{lcm}", ttype: UNARY, func: true, notexcopy: true },
{ input: "lub", tag: "mo", output: "lub", tex: null, ttype: CONST },
{ input: "glb", tag: "mo", output: "glb", tex: null, ttype: CONST },
{ input: "min", tag: "mo", output: "min", tex: null, ttype: UNDEROVER },
{ input: "max", tag: "mo", output: "max", tex: null, ttype: UNDEROVER },
//arrows
{ input: "uarr", tag: "mo", output: "\u2191", tex: "uparrow", ttype: CONST },
{ input: "darr", tag: "mo", output: "\u2193", tex: "downarrow", ttype: CONST },
{ input: "rarr", tag: "mo", output: "\u2192", tex: "rightarrow", ttype: CONST },
{ input: "->", tag: "mo", output: "\u2192", tex: "to", ttype: CONST },
{ input: ">->", tag: "mo", output: "\u21A3", tex: "rightarrowtail", ttype: CONST },
{ input: "->>", tag: "mo", output: "\u21A0", tex: "twoheadrightarrow", ttype: CONST },
{ input: ">->>", tag: "mo", output: "\u2916", tex: "twoheadrightarrowtail", ttype: CONST },
{ input: "|->", tag: "mo", output: "\u21A6", tex: "mapsto", ttype: CONST },
{ input: "larr", tag: "mo", output: "\u2190", tex: "leftarrow", ttype: CONST },
{ input: "harr", tag: "mo", output: "\u2194", tex: "leftrightarrow", ttype: CONST },
{ input: "rArr", tag: "mo", output: "\u21D2", tex: "Rightarrow", ttype: CONST },
{ input: "lArr", tag: "mo", output: "\u21D0", tex: "Leftarrow", ttype: CONST },
{ input: "hArr", tag: "mo", output: "\u21D4", tex: "Leftrightarrow", ttype: CONST },
//commands with argument
AMsqrt, AMroot, AMfrac, AMdiv, AMover, AMsub, AMsup,
{ input: "cancel", tag: "menclose", output: "cancel", tex: null, ttype: UNARY },
{ input: "Sqrt", tag: "msqrt", output: "sqrt", tex: null, ttype: UNARY },
{ input: "hat", tag: "mover", output: "\u005E", tex: null, ttype: UNARY, acc: true },
{ input: "bar", tag: "mover", output: "\u00AF", tex: "overline", ttype: UNARY, acc: true },
{ input: "vec", tag: "mover", output: "\u2192", tex: null, ttype: UNARY, acc: true },
{ input: "tilde", tag: "mover", output: "~", tex: null, ttype: UNARY, acc: true },
{ input: "dot", tag: "mover", output: ".", tex: null, ttype: UNARY, acc: true },
{ input: "ddot", tag: "mover", output: "..", tex: null, ttype: UNARY, acc: true },
{ input: "ul", tag: "munder", output: "\u0332", tex: "underline", ttype: UNARY, acc: true },
{ input: "ubrace", tag: "munder", output: "\u23DF", tex: "underbrace", ttype: UNARY, acc: true },
{ input: "obrace", tag: "mover", output: "\u23DE", tex: "overbrace", ttype: UNARY, acc: true },
AMtext, AMmbox, AMquote,
//{input:"var", tag:"mstyle", atname:"fontstyle", atval:"italic", output:"var", tex:null, ttype:UNARY},
{ input: "color", tag: "mstyle", ttype: BINARY },
{ input: "bb", tag: "mstyle", atname: "mathvariant", atval: "bold", output: "bb", tex: "mathbf", ttype: UNARY, notexcopy: true },
{ input: "mathbf", tag: "mstyle", atname: "mathvariant", atval: "bold", output: "mathbf", tex: null, ttype: UNARY },
{ input: "sf", tag: "mstyle", atname: "mathvariant", atval: "sans-serif", output: "sf", tex: "mathsf", ttype: UNARY, notexcopy: true },
{ input: "mathsf", tag: "mstyle", atname: "mathvariant", atval: "sans-serif", output: "mathsf", tex: null, ttype: UNARY },
{ input: "bbb", tag: "mstyle", atname: "mathvariant", atval: "double-struck", output: "bbb", tex: "mathbb", ttype: UNARY, notexcopy: true },
{ input: "mathbb", tag: "mstyle", atname: "mathvariant", atval: "double-struck", output: "mathbb", tex: null, ttype: UNARY },
{ input: "cc", tag: "mstyle", atname: "mathvariant", atval: "script", output: "cc", tex: "mathcal", ttype: UNARY, notexcopy: true },
{ input: "mathcal", tag: "mstyle", atname: "mathvariant", atval: "script", output: "mathcal", tex: null, ttype: UNARY },
{ input: "tt", tag: "mstyle", atname: "mathvariant", atval: "monospace", output: "tt", tex: "mathtt", ttype: UNARY, notexcopy: true },
{ input: "mathtt", tag: "mstyle", atname: "mathvariant", atval: "monospace", output: "mathtt", tex: null, ttype: UNARY },
{ input: "fr", tag: "mstyle", atname: "mathvariant", atval: "fraktur", output: "fr", tex: "mathfrak", ttype: UNARY, notexcopy: true },
{ input: "mathfrak", tag: "mstyle", atname: "mathvariant", atval: "fraktur", output: "mathfrak", tex: null, ttype: UNARY }
];
function compareNames(s1, s2) {
if (s1.input > s2.input) return 1
else return -1;
}
var AMnames = []; //list of input symbols
function AMinitSymbols() {
var i;
var symlen = AMsymbols.length;
for (i = 0; i < symlen; i++) {
if (AMsymbols[i].tex && !(typeof AMsymbols[i].notexcopy == "boolean" && AMsymbols[i].notexcopy)) {
AMsymbols.push({
input: AMsymbols[i].tex,
tag: AMsymbols[i].tag, output: AMsymbols[i].output, ttype: AMsymbols[i].ttype,
acc: (AMsymbols[i].acc || false)
});
}
}
refreshSymbols();
}
function refreshSymbols() {
var i;
AMsymbols.sort(compareNames);
for (i = 0; i < AMsymbols.length; i++) AMnames[i] = AMsymbols[i].input;
}
function newcommand(oldstr, newstr) {
AMsymbols.push({ input: oldstr, tag: "mo", output: newstr, tex: null, ttype: DEFINITION });
refreshSymbols();
}
function newsymbol(symbolobj) {
AMsymbols.push(symbolobj);
refreshSymbols();
}
function AMremoveCharsAndBlanks(str, n) {
//remove n characters and any following blanks
var st;
if (str.charAt(n) == "\\" && str.charAt(n + 1) != "\\" && str.charAt(n + 1) != " ")
st = str.slice(n + 1);
else st = str.slice(n);
for (var i = 0; i < st.length && st.charCodeAt(i) <= 32; i = i + 1);
return st.slice(i);
}
function AMposition(arr, str, n) {
// return position >=n where str appears or would be inserted
// assumes arr is sorted
if (n == 0) {
var h, m;
n = -1;
h = arr.length;
while (n + 1 < h) {
m = (n + h) >> 1;
if (arr[m] < str) n = m; else h = m;
}
return h;
} else
for (var i = n; i < arr.length && arr[i] < str; i++);
return i; // i=arr.length || arr[i]>=str
}
function AMgetSymbol(str) {
//return maximal initial substring of str that appears in names
//return null if there is none
var k = 0; //new pos
var j = 0; //old pos
var mk; //match pos
var st;
var tagst;
var match = "";
var more = true;
for (var i = 1; i <= str.length && more; i++) {
st = str.slice(0, i); //initial substring of length i
j = k;
k = AMposition(AMnames, st, j);
if (k < AMnames.length && str.slice(0, AMnames[k].length) == AMnames[k]) {
match = AMnames[k];
mk = k;
i = match.length;
}
more = k < AMnames.length && str.slice(0, AMnames[k].length) >= AMnames[k];
}
AMpreviousSymbol = AMcurrentSymbol;
if (match != "") {
AMcurrentSymbol = AMsymbols[mk].ttype;
return AMsymbols[mk];
}
// if str[0] is a digit or - return maxsubstring of digits.digits
AMcurrentSymbol = CONST;
k = 1;
st = str.slice(0, 1);
var integ = true;
while ("0" <= st && st <= "9" && k <= str.length) {
st = str.slice(k, k + 1);
k++;
}
if (st == config.decimalsign) {
st = str.slice(k, k + 1);
if ("0" <= st && st <= "9") {
integ = false;
k++;
while ("0" <= st && st <= "9" && k <= str.length) {
st = str.slice(k, k + 1);
k++;
}
}
}
if ((integ && k > 1) || k > 2) {
st = str.slice(0, k - 1);
tagst = "mn";
} else {
k = 2;
st = str.slice(0, 1); //take 1 character
tagst = (("A" > st || st > "Z") && ("a" > st || st > "z") ? "mo" : "mi");
}
if (st == "-" && AMpreviousSymbol == INFIX) {
AMcurrentSymbol = INFIX;
return { input: st, tag: tagst, output: st, ttype: UNARY, func: true, val: true };
}
return { input: st, tag: tagst, output: st, ttype: CONST, val: true }; //added val bit
}
function AMTremoveBrackets(node) {
var st;
if (node.charAt(0) == '{' && node.charAt(node.length - 1) == '}') {
var leftchop = 0;
st = node.substr(1, 5);
if (st == '\\left') {
st = node.charAt(6);
if (st == "(" || st == "[" || st == "{") {
leftchop = 7;
} else {
st = node.substr(6, 7);
if (st == '\\lbrace') {
leftchop = 13;
}
}
} else {
st = node.charAt(1);
if (st == "(" || st == "[") {
leftchop = 2;
}
}
if (leftchop > 0) {
//st = node.charAt(node.length-7);
st = node.substr(node.length - 8);
if (st == "\\right)}" || st == "\\right]}" || st == '\\right.}') {
node = '{' + node.substr(leftchop);
node = node.substr(0, node.length - 8) + '}';
} else if (st == '\\rbrace}') {
node = '{' + node.substr(leftchop);
node = node.substr(0, node.length - 14) + '}';
}
}
}
return node;
}
/*Parsing ASCII math expressions with the following grammar
v ::= [A-Za-z] | greek letters | numbers | other constant symbols
u ::= sqrt | text | bb | other unary symbols for font commands
b ::= frac | root | stackrel binary symbols
l ::= ( | [ | { | (: | {: left brackets
r ::= ) | ] | } | :) | :} right brackets
S ::= v | lEr | uS | bSS Simple expression
I ::= S_S | S^S | S_S^S | S Intermediate expression
E ::= IE | I/I Expression
Each terminal symbol is translated into a corresponding mathml node.*/
var AMnestingDepth, AMpreviousSymbol, AMcurrentSymbol;
function AMTgetTeXsymbol(symb) {
var pre = '';
if (typeof symb.val == "boolean" && symb.val) {
pre = '';
} else {
pre = '\\';
}
if (symb.tex == null) {
//can't remember why this was here. Breaks /delta /Delta to removed
//return (pre+(pre==''?symb.input:symb.input.toLowerCase()));
return (pre + symb.input);
} else {
return (pre + symb.tex);
}
}
function AMTparseSexpr(str) { //parses str and returns [node,tailstr]
var symbol, node, result, i, st,// rightvert = false,
newFrag = '';
str = AMremoveCharsAndBlanks(str, 0);
symbol = AMgetSymbol(str); //either a token or a bracket or empty
if (symbol == null || symbol.ttype == RIGHTBRACKET && AMnestingDepth > 0) {
return [null, str];
}
if (symbol.ttype == DEFINITION) {
str = symbol.output + AMremoveCharsAndBlanks(str, symbol.input.length);
symbol = AMgetSymbol(str);
}
switch (symbol.ttype) {
case UNDEROVER:
case CONST:
str = AMremoveCharsAndBlanks(str, symbol.input.length);
var texsymbol = AMTgetTeXsymbol(symbol);
if (texsymbol.charAt(0) == "\\" || symbol.tag == "mo") return [texsymbol, str];
else return ['{' + texsymbol + '}', str];
case LEFTBRACKET: //read (expr+)
AMnestingDepth++;
str = AMremoveCharsAndBlanks(str, symbol.input.length);
result = AMTparseExpr(str, true);
AMnestingDepth--;
var leftchop = 0;
if (result[0].substr(0, 6) == "\\right") {
st = result[0].charAt(6);
if (st == ")" || st == "]" || st == "}") {
leftchop = 6;
} else if (st == ".") {
leftchop = 7;
} else {
st = result[0].substr(6, 7);
if (st == '\\rbrace') {
leftchop = 13;
}
}
}
if (leftchop > 0) {
result[0] = result[0].substr(leftchop);
if (typeof symbol.invisible == "boolean" && symbol.invisible)
node = '{' + result[0] + '}';
else {
node = '{' + AMTgetTeXsymbol(symbol) + result[0] + '}';
}
} else {
if (typeof symbol.invisible == "boolean" && symbol.invisible)
node = '{\\left.' + result[0] + '}';
else {
node = '{\\left' + AMTgetTeXsymbol(symbol) + result[0] + '}';
}
}
return [node, result[1]];
case TEXT:
if (symbol != AMquote) str = AMremoveCharsAndBlanks(str, symbol.input.length);
if (str.charAt(0) == "{") i = str.indexOf("}");
else if (str.charAt(0) == "(") i = str.indexOf(")");
else if (str.charAt(0) == "[") i = str.indexOf("]");
else if (symbol == AMquote) i = str.slice(1).indexOf("\"") + 1;
else i = 0;
if (i == -1) i = str.length;
st = str.slice(1, i);
if (st.charAt(0) == " ") {
newFrag = '\\ ';
}
newFrag += '\\text{' + st + '}';
if (st.charAt(st.length - 1) == " ") {
newFrag += '\\ ';
}
str = AMremoveCharsAndBlanks(str, i + 1);
return [newFrag, str];
case UNARY:
str = AMremoveCharsAndBlanks(str, symbol.input.length);
result = AMTparseSexpr(str);
if (result[0] == null) return ['{' + AMTgetTeXsymbol(symbol) + '}', str];
if (typeof symbol.func == "boolean" && symbol.func) { // functions hack
st = str.charAt(0);
if (st == "^" || st == "_" || st == "/" || st == "|" || st == "," || (symbol.input.length == 1 && symbol.input.match(/\w/) && st != "(")) {
return ['{' + AMTgetTeXsymbol(symbol) + '}', str];
} else {
node = '{' + AMTgetTeXsymbol(symbol) + '{' + result[0] + '}}';
return [node, result[1]];
}
}
result[0] = AMTremoveBrackets(result[0]);
if (symbol.input == "sqrt") { // sqrt
return ['\\sqrt{' + result[0] + '}', result[1]];
} else if (symbol.input == "cancel") { // cancel
return ['\\cancel{' + result[0] + '}', result[1]];
} else if (typeof symbol.rewriteleftright != "undefined") { // abs, floor, ceil
return ['{\\left' + symbol.rewriteleftright[0] + result[0] + '\\right' + symbol.rewriteleftright[1] + '}', result[1]];
} else if (typeof symbol.acc == "boolean" && symbol.acc) { // accent
//return ['{'+AMTgetTeXsymbol(symbol)+'{'+result[0]+'}}',result[1]];
return [AMTgetTeXsymbol(symbol) + '{' + result[0] + '}', result[1]];
} else { // font change command
return ['{' + AMTgetTeXsymbol(symbol) + '{' + result[0] + '}}', result[1]];
}
case BINARY:
str = AMremoveCharsAndBlanks(str, symbol.input.length);
result = AMTparseSexpr(str);
if (result[0] == null) return ['{' + AMTgetTeXsymbol(symbol) + '}', str];
result[0] = AMTremoveBrackets(result[0]);
var result2 = AMTparseSexpr(result[1]);
if (result2[0] == null) return ['{' + AMTgetTeXsymbol(symbol) + '}', str];
result2[0] = AMTremoveBrackets(result2[0]);
if (symbol.input == "color") {
newFrag = '{\\color{' + result[0].replace(/[\{\}]/g, '') + '}' + result2[0] + '}';
} else if (symbol.input == "root") {
newFrag = '{\\sqrt[' + result[0] + ']{' + result2[0] + '}}';
} else {
newFrag = '{' + AMTgetTeXsymbol(symbol) + '{' + result[0] + '}{' + result2[0] + '}}';
}
return [newFrag, result2[1]];
case INFIX:
str = AMremoveCharsAndBlanks(str, symbol.input.length);
return [symbol.output, str];
case SPACE:
str = AMremoveCharsAndBlanks(str, symbol.input.length);
return ['{\\quad\\text{' + symbol.input + '}\\quad}', str];
case LEFTRIGHT:
// if (rightvert) return [null,str]; else rightvert = true;
AMnestingDepth++;
str = AMremoveCharsAndBlanks(str, symbol.input.length);
result = AMTparseExpr(str, false);
AMnestingDepth--;
var st = "";
st = result[0].charAt(result[0].length - 1);
//alert(result[0].lastChild+"***"+st);
if (st == "|") { // its an absolute value subterm
node = '{\\left|' + result[0] + '}';
return [node, result[1]];
} else { // the "|" is a \mid
node = '{\\mid}';
return [node, str];
}
default:
//alert("default");
str = AMremoveCharsAndBlanks(str, symbol.input.length);
return ['{' + AMTgetTeXsymbol(symbol) + '}', str];
}
}
function AMTparseIexpr(str) {
var symbol, sym1, sym2, node, result;
str = AMremoveCharsAndBlanks(str, 0);
sym1 = AMgetSymbol(str);
result = AMTparseSexpr(str);
node = result[0];
str = result[1];
symbol = AMgetSymbol(str);
if (symbol.ttype == INFIX && symbol.input != "/") {
str = AMremoveCharsAndBlanks(str, symbol.input.length);
// if (symbol.input == "/") result = AMTparseIexpr(str); else
result = AMTparseSexpr(str);
if (result[0] == null) // show box in place of missing argument
result[0] = '{}';
else result[0] = AMTremoveBrackets(result[0]);
str = result[1];
// if (symbol.input == "/") AMTremoveBrackets(node);
if (symbol.input == "_") {
sym2 = AMgetSymbol(str);
if (sym2.input == "^") {
str = AMremoveCharsAndBlanks(str, sym2.input.length);
var res2 = AMTparseSexpr(str);
res2[0] = AMTremoveBrackets(res2[0]);
str = res2[1];
node = '{' + node;
node += '_{' + result[0] + '}';
node += '^{' + res2[0] + '}';
node += '}';
} else {
node += '_{' + result[0] + '}';
}
} else { //must be ^
//node = '{'+node+'}^{'+result[0]+'}';
node = node + '^{' + result[0] + '}';
}
if (typeof sym1.func != 'undefined' && sym1.func) {
sym2 = AMgetSymbol(str);
if (sym2.ttype != INFIX && sym2.ttype != RIGHTBRACKET) {
result = AMTparseIexpr(str);
node = '{' + node + result[0] + '}';
str = result[1];
}
}
}
return [node, str];
}
function AMTparseExpr(str, rightbracket) {
var symbol, node, result, i, nodeList = [],
newFrag = '';
var addedright = false;
do {
str = AMremoveCharsAndBlanks(str, 0);
result = AMTparseIexpr(str);
node = result[0];
str = result[1];
symbol = AMgetSymbol(str);
if (symbol.ttype == INFIX && symbol.input == "/") {
str = AMremoveCharsAndBlanks(str, symbol.input.length);
result = AMTparseIexpr(str);
if (result[0] == null) // show box in place of missing argument
result[0] = '{}';
else result[0] = AMTremoveBrackets(result[0]);
str = result[1];
node = AMTremoveBrackets(node);
node = '\\frac' + '{' + node + '}';
node += '{' + result[0] + '}';
newFrag += node;
symbol = AMgetSymbol(str);
} else if (node != undefined) newFrag += node;
} while ((symbol.ttype != RIGHTBRACKET &&
(symbol.ttype != LEFTRIGHT || rightbracket)
|| AMnestingDepth == 0) && symbol != null && symbol.output != "");
if (symbol.ttype == RIGHTBRACKET || symbol.ttype == LEFTRIGHT) {
// if (AMnestingDepth > 0) AMnestingDepth--;
var len = newFrag.length;
if (len > 2 && newFrag.charAt(0) == '{' && newFrag.indexOf(',') > 0) { //could be matrix (total rewrite from .js)
var right = newFrag.charAt(len - 2);
if (right == ')' || right == ']') {
var left = newFrag.charAt(6);
if ((left == '(' && right == ')' && symbol.output != '}') || (left == '[' && right == ']')) {
var mxout = '\\begin{matrix}';
var pos = new Array(); //position of commas
pos.push(0);
var matrix = true;
var mxnestingd = 0;
var subpos = [];
subpos[0] = [0];
var lastsubposstart = 0;
var mxanynestingd = 0;
for (i = 1; i < len - 1; i++) {
if (newFrag.charAt(i) == left) mxnestingd++;
if (newFrag.charAt(i) == right) {
mxnestingd--;
if (mxnestingd == 0 && newFrag.charAt(i + 2) == ',' && newFrag.charAt(i + 3) == '{') {
pos.push(i + 2);
lastsubposstart = i + 2;
subpos[lastsubposstart] = [i + 2];
}
}
if (newFrag.charAt(i) == '[' || newFrag.charAt(i) == '(' || newFrag.charAt(i) == '{') { mxanynestingd++; }
if (newFrag.charAt(i) == ']' || newFrag.charAt(i) == ')' || newFrag.charAt(i) == '}') { mxanynestingd--; }
if (newFrag.charAt(i) == ',' && mxanynestingd == 1) {
subpos[lastsubposstart].push(i);
}
if (mxanynestingd < 0) { //happens at the end of the row
if (lastsubposstart == i + 1) { //if at end of row, skip to next row
i++;
} else { //misformed something - abandon treating as a matrix
matrix = false;
}
}
}
pos.push(len);
var lastmxsubcnt = -1;
if (mxnestingd == 0 && pos.length > 0 && matrix) {
for (i = 0; i < pos.length - 1; i++) {
if (i > 0) mxout += '\\\\';
if (i == 0) {
//var subarr = newFrag.substr(pos[i]+7,pos[i+1]-pos[i]-15).split(',');
if (subpos[pos[i]].length == 1) {
var subarr = [newFrag.substr(pos[i] + 7, pos[i + 1] - pos[i] - 15)];
} else {
var subarr = [newFrag.substring(pos[i] + 7, subpos[pos[i]][1])];
for (var j = 2; j < subpos[pos[i]].length; j++) {
subarr.push(newFrag.substring(subpos[pos[i]][j - 1] + 1, subpos[pos[i]][j]));
}
subarr.push(newFrag.substring(subpos[pos[i]][subpos[pos[i]].length - 1] + 1, pos[i + 1] - 8));
}
} else {
//var subarr = newFrag.substr(pos[i]+8,pos[i+1]-pos[i]-16).split(',');
if (subpos[pos[i]].length == 1) {
var subarr = [newFrag.substr(pos[i] + 8, pos[i + 1] - pos[i] - 16)];
} else {
var subarr = [newFrag.substring(pos[i] + 8, subpos[pos[i]][1])];
for (var j = 2; j < subpos[pos[i]].length; j++) {
subarr.push(newFrag.substring(subpos[pos[i]][j - 1] + 1, subpos[pos[i]][j]));
}
subarr.push(newFrag.substring(subpos[pos[i]][subpos[pos[i]].length - 1] + 1, pos[i + 1] - 8));
}
}
if (lastmxsubcnt > 0 && subarr.length != lastmxsubcnt) {
matrix = false;
} else if (lastmxsubcnt == -1) {
lastmxsubcnt = subarr.length;
}
mxout += subarr.join('&');
}
}
mxout += '\\end{matrix}';
if (matrix) { newFrag = mxout; }
}
}
}
str = AMremoveCharsAndBlanks(str, symbol.input.length);
if (typeof symbol.invisible != "boolean" || !symbol.invisible) {
node = '\\right' + AMTgetTeXsymbol(symbol); //AMcreateMmlNode("mo",document.createTextNode(symbol.output));
newFrag += node;
addedright = true;
} else {
newFrag += '\\right.';
addedright = true;
}
}
if (AMnestingDepth > 0 && !addedright) {
newFrag += '\\right.'; //adjust for non-matching left brackets
//todo: adjust for non-matching right brackets
}
return [newFrag, str];
}
function AMTparseAMtoTeX(str) {
AMnestingDepth = 0;
str = str.replace(/( |\u00a0| )/g, "");
str = str.replace(/>/g, ">");
str = str.replace(/</g, "<");
if (str.match(/\S/) == null) {
return "";
}
return AMTparseExpr(str.replace(/^\s+/g, ""), false)[0];
}
function AMparseMath(str) {
//DLMOD to remove , which editor adds on multiple spaces
str = str.replace(/( |\u00a0| )/g, "");
str = str.replace(/>/g, ">");
str = str.replace(/</g, "<");
if (str.match(/\S/) == null) {
return document.createTextNode(" ");
}
var texstring = AMTparseAMtoTeX(str);
if (typeof mathbg != "undefined" && mathbg == 'dark') {
texstring = "\\reverse " + texstring;
}
if (config.mathcolor != "") {
texstring = "\\" + config.mathcolor + texstring;
}
if (config.displaystyle) {
texstring = "\\displaystyle" + texstring;
} else {
texstring = "\\textstyle" + texstring;
}
texstring = texstring.replace('$', '\\$');
var node = document.createElement("img");
if (typeof encodeURIComponent == "function") {
texstring = encodeURIComponent(texstring);
} else {
texstring = escape(texstring);
}
node.src = AMTcgiloc + '?' + texstring;
node.style.verticalAlign = "middle";
if (config.showasciiformulaonhover) //fixed by djhsu so newline
node.setAttribute("title", str.replace(/\s+/g, " "));//does not show in Gecko
var snode = document.createElement("span");
snode.appendChild(node); //chg
return snode;
}
//alias to align with wFallback function
function AMTparseMath(str) {
return AMparseMath(str);
}
function AMstrarr2docFrag(arr, linebreaks) {
var newFrag = document.createDocumentFragment();
var expr = false;
for (var i = 0; i < arr.length; i++) {
if (expr) newFrag.appendChild(AMparseMath(arr[i]));
else {
var arri = (linebreaks ? arr[i].split("\n\n") : [arr[i]]);
newFrag.appendChild(document.createElement("span").
appendChild(document.createTextNode(arri[0])));
for (var j = 1; j < arri.length; j++) {
newFrag.appendChild(document.createElement("p"));
newFrag.appendChild(document.createElement("span").
appendChild(document.createTextNode(arri[j])));
}
}
expr = !expr;
}
return newFrag;
}
function AMprocessNodeR(n, linebreaks) {
var mtch, str, arr, frg, i;
if (n.childNodes.length == 0) {
if ((n.nodeType != 8 || linebreaks) &&
n.parentNode.nodeName != "form" && n.parentNode.nodeName != "FORM" &&
n.parentNode.nodeName != "textarea" && n.parentNode.nodeName != "TEXTAREA" &&
n.parentNode.nodeName != "pre" && n.parentNode.nodeName != "PRE") {
str = n.nodeValue;
if (!(str == null)) {
str = str.replace(/\r\n\r\n/g, "\n\n");
if (config.doubleblankmathdelimiter) {
str = str.replace(/\x20\x20\./g, " " + config.AMdelimiter1 + ".");
str = str.replace(/\x20\x20,/g, " " + config.AMdelimiter1 + ",");
str = str.replace(/\x20\x20/g, " " + config.AMdelimiter1 + " ");
}
str = str.replace(/\x20+/g, " ");
str = str.replace(/\s*\r\n/g, " ");
mtch = false;
if (config.AMusedelimiter2) {
str = str.replace(new RegExp(config.AMescape2, "g"),
function (st) { mtch = true; return "AMescape2" });
}
str = str.replace(new RegExp(config.AMescape1, "g"),
function (st) { mtch = true; return "AMescape1" });
if (config.AMusedelimiter2) str = str.replace(new RegExp(config.AMdelimiter2regexp, "g"), config.AMdelimiter1);
arr = str.split(config.AMdelimiter1);
for (i = 0; i < arr.length; i++)
if (config.AMusedelimiter2) {
arr[i] = arr[i].replace(/AMescape2/g, config.AMdelimiter2).replace(/AMescape1/g, config.AMdelimiter1);
} else {
arr[i] = arr[i].replace(/AMescape1/g, config.AMdelimiter1);
}
if (arr.length > 1 || mtch) {
frg = AMstrarr2docFrag(arr, n.nodeType == 8);
var len = frg.childNodes.length;
n.parentNode.replaceChild(frg, n);
return len - 1;
}
}
} else return 0;
} else if (n.nodeName != "math") { //should this change to img?
for (i = 0; i < n.childNodes.length; i++)
i += AMprocessNodeR(n.childNodes[i], linebreaks);
}
return 0;
}
function AMprocessNode(n, linebreaks, spanclassAM) {
var frag, st;
if (spanclassAM != null) {
frag = document.getElementsByTagName("span");
for (var i = 0; i < frag.length; i++)
if (frag[i].className == "AM")
AMprocessNodeR(frag[i], linebreaks);
} else {
try {
st = n.innerHTML;
} catch (err) { }
if (st == null ||
st.indexOf(config.AMdelimiter1) != -1)// || st.indexOf(config.AMdelimiter2)!=-1)
AMprocessNodeR(n, linebreaks);
}
}
function translate(spanclassAM) {
if (!AMtranslated) { // run this only once
AMtranslated = true;
var body = document.getElementsByTagName("body")[0];
var processN = document.getElementById(config.AMdocumentId);
AMprocessNode((processN != null ? processN : body), false, spanclassAM);
}
}
var AMbody;
var AMtranslated = false;
var AMnoMathML = true;
AMinitSymbols();
function generic() {
if (config.translateOnLoad) {
translate();
}
}
module.exports = AMTparseAMtoTeX;